WHO WANTS

1
WHO WANTS TO BE A Millionaire Astronomer?
SGU 20050 Spring 2006 Contest 8
2
The Suns rotational period is closest to
25 days
24 hours
365 days
Trick question no rotation
3
The eventual fate of the Sun will be as a
White dwarf
Neutron star
1 solar mass Black hole
Supernova
4
A distant galaxy at redshift z 3 has a spectral
line with rest wavelength 600 nm. It is observed
at wavelength
200 nm
300 nm
600 nm
1800 nm
5
What statement is incorrect concerning dark
energy?
First predicted by Zwicky
Causes Universe to accelerate
Property of the vacuum
Discovered using Type 1 SN
6
What elevation is the star Polaris at midnight at
the Tropic of Cancer?
-23.5º
0º
23.5º
67.5º
7
Chromatic aberration is a problem with which type
of telescope?
Radio dishes
Large reflectors
Large refractors
Interferometers
8
Two white dwarfs, A and B, have masses of 0.5 and
1.0 solar masses. Which statement is correct?
A and B are same size
A is larger than B
B is larger than A
Cant tell size from mass
9
An observer reports a gibbous moon on the
horizon. What can you deduce about the local
time?
9pm or 3am
9am or 3pm
6am or 6pm
3am, 9am, 3pm, or 9pm
10
Just before the baryon freeze out era, the
entire Universe consisted of
Leptons and radiation
Quarks, gluons, and photons
Ionized atoms
Neutral hydrogen and helium
11
The outward pressure opposing the crush of
gravity in a white dwarf arises from
Quark-gluon plasma
Electron degeneracy
Neutron degeneracy
Radiation pressure
12
Just after the helium flash, what happens to a
1 solar mass stars surface temperature (T) and
luminosity (L)?
T and L both decrease
T increases, L decreases
L increases, T decreases
T and L both increase